Data Management Tag Directory

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Featured Data Management Questions

  • Should I follow a career in business analytics

    Hi, I would like to know about scope and nature of job in BA field. I'm a civil engineer graduate passed out in 2015. Currently, I'm working for an IT company as a network engineer. I'm not aware of anything related to programming and coding. I wanted to change my field so I was planning to do MBA,...

    Aksh225 pointsBadges:
  • How to start learning big data

    How do I start learning big data for a non technical person?

    HARIKAIMAL5 pointsBadges:
  • Data deduplication and compression

    Whether it is possible to deduplicate data to compress again with any other compression algorithms.

    manjuab15 pointsBadges:
  • IBM MDM Hierarchy Table Architecture

    As a Data Analyst, I need to understand the physical design of the IBM MDM Hierarchy physical implementation. Is there documentation to support this request?

    rbustamante5 pointsBadges:
  • Big data & Hadoop

    What operating system do I need to install to work with Hadoop & Big Data. I want to run Hadoop system for experimental purpose, for my academic research. Basically I need to work on hives, pig. So Please suggest me on this. I have purchased a new laptop for this purpose.

    mnkumar19765 pointsBadges:
  • Switch from Mainframes to big data

    Hello, I've been in mainframe development for almost 7 years. Now, I am getting attracted by Hadoop/Big data as its becoming the most emerging technology nowadays.  It seems that I have few options: Stick with my current technology (mainframes) and drop the idea of moving to Hadoop. Learn Hadoop...

    vishalverma5 pointsBadges:
  • Machines used for huge or bulk data

    What kind of materials or machines could we use for huge or bulk data? I want to see technical assistance. And how much it’s cost for big Organization?

    markenwon20 pointsBadges:
  • comparision between water fall model and evolutionary model

    what are the advantages and disadvantages of waterfall model over evolutionay model in a software development life cycle.

    Coolsnipster0 pointsBadges:
  • What type of materials or devices are used to store huge data?

    To store bulk data, what kind of devices should we use and mention all necessity of mentions to use data store? And what would the cost be?

    markenwon20 pointsBadges:
  • Career path to becoming a big data analyst

    Hello everyone, By way of introduction, I am Sean and I am looking for a way out of my confusion as to which path to apply to become an analytics professional in the Big data field. I don't belong to the IT background but have a very deep interest in technical knowhow. I have done Business...

    kirktt2005 pointsBadges:
  • Merge two Physical Files using Logical File

    I have multiple Physical files (Trans2006, Trans2007, Trans2008, etc…) with same record layout with the yearly transactions on my iSeries. I want to merge these files (for temporary period). Is it possible to create a Logical file? If so please help me.

    nhewage50 pointsBadges:
  • MongoDB Java Connection driver

    I'm pretty new to MongoDB and I'm trying to figure out how to use the below code for its Java Connection driver. Why does it use a random number generator? if (!((_ok) ? true : (Math.random() > 0.1))) { return res; } Thanks!

    ITKE380,145 pointsBadges:
  • Computer to create a complete sequences of 2^75.000.000

    How long does it take a computer to able to create a complete sequences of 2^75.000.000?

    rarkyan25 pointsBadges:
  • How should I start my data analysis?

    I have a database which has machine data (tables like: machine cycles, machine phases and many more ) and I am suppose to analysis this data. Meaning, with the data present in different tables, I have to filter out or rather define standard machine cycles, standard machine phase etc. Hence, can you...

    rakeshmurthy5 pointsBadges:
  • How to open the .FCA file format data?

    Dear Sir/ Madam, I have a file having .fca format. I want to read, edit, print, etc. the .fca data. So what shall I do in this regard?

    herambgaikwad0125 pointsBadges:
  • Error when configuring Hadoop on CentOS

    I've been configuring Hadoop on one of our servers that's running CentOS. When I run start-dfs.sh, I keep getting this error: WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable So I'm not sure what to do here. Has anyone...

    ITKE380,145 pointsBadges:
  • ElasticSearch for real-time statistics

    We have to log millions and millions of small log documents on a weekly basis. This includes: Ad hoc queries for data mining Joining and filtering values Full-text search with Python We thought about using HBase and running Hadoop jobs to generate stat results. But the problem is that the results...

    ITKE380,145 pointsBadges:
  • What database program should we use for our big data?

    We have a bunch of text files , which range between 300 - 400 GB. Here's the format: key1 value_a key1 value_b key1 value_c key2 value_d key3 value_e .... So each line is composed by a key and value. I'm trying to create a database that would let us query all value of a key. But we're having issues...

    ITKE380,145 pointsBadges:
  • How to implement data analytics in mining industry?

    What are the value chain gaps where data analytics can be implemented in the mining industry? How to use it to the full potential?

    Samayn5 pointsBadges:
  • Working with big data in Python and low RAM

    We have to implement algorithms for 1000-dimensional  data with 200k+ data points in Python. I need to perform different operations (clustering, pairwise distance, etc.). When I try scale all of the algorithms, I run out of RAM. But here's the thing: I need to do this with several computers with...

    ITKE380,145 pointsBadges:

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